Australian spelling vs itemise

Australian spelling is a noun but itemise is not a noun.

Word	Noun	Adjective	Verb	Adverb
Australian spelling	Yes	No	No	No
itemise	No	No	Yes	No

Australian spelling (noun)	itemise (noun)
English orthography used in Australia (characterized by 'analyse', 'centre', 'usable')

Australian spelling (verb)	itemise (verb)
	specify individually
	place on a list of items